理学 操作系统 释 basic input/output system 基本输入输出系统 计算机系统中通常被固化在ROM中的一组程序，包括基本输入输出程序、开机自检和硬件初始化程序、操作系统引导程序以及运行时服务程序。
系统软件 操作系统 释文 basic input/output system, BIOS 基本输入输出系统
- A Complete Translation of Manchu-text Memorials to the Throne with the Emperor's Comments in Cinnarba-ink of the Yongzheng Era
- A Complete Volume on the Four Books
- A Complete Work on Pediatrics
- A Comprehensive Dictionary of Global Huayu (Chinese Language)
- A Comprehensive English-Chinese Dictionary
- A Comprehensive History of Ancient Chinese Theatre
- A Comprehensive History of Criticism on Chinese Literature
- A Comprehensive Study of Bibliography
- A Comprehensive Study of Chinese Opera Relics
- aconane
- A Concise Handbook to Peking Opera
- A Concise History of China
- A Concise History of Musical Narrative Art
- aconite separated moxibustion
- aconiti kusnezoffii folium
- aconitine
- A. Connes
- A. Connes (1947—)
- A Contemporary Chinese-French Dictionary
- A Continuation of Mysteris and Monsters, block-printed edition by Yin's Bookstore in Lin'an, Song Dynasty
- A Continuation of Tongjian gangmu
- A Continuation of Travel Notes, hand-copied edition by Qian Gu (1561), fortieth year of the Jiajing era, Ming Dynasty
- A Contiuation of Painting History and A Supplement to Paintings of the Five Dynasties, block-printed edition by Chen Daoren Bookstore in Lin'an, Song Dynasty
- A-control
- A Cool Fish